Lightning-rod construction.



T. THOMPSON.

. LIGHTNING ROD CONSTRUCTION. v Am LmATmiI mun APR. 20, 1910.

Patented Jui 12,1910.

YVENTOR v (j Allarney Rod Construction;

onrrnn srarns PATENT oriuon.

THOMAS THOMPSON, OF BURLINGTON, IGWA.

LIGHTNING-ROD CONSTRUCTION.

To all whom it may concern:

e it known that I, Trronas THOMPSON, of Burlington, in the county of Des Moines and State of Iowa, have invented certain new and useful Improvements in Lightning and I do hereby declare the following to bea full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to improvements in lightning rod co1'istruction,the object of the invention being eflicient means to provide simple and for connecting that portion of the structure which carries the point or points with the horizontal cable or conductor.

With this object in view the invention consists in certain novel features of construction and combinations of parts as hereinafter forth and pointed out in the claims.

In the accompanying drawings, Figure l is an elevation showing an embodiment of my invention. Figs. 2, 3 and 4 are detail views of the coupling which connects the upright member of the structure with the coupling, and Figs. 5 and 6 are detail views illustrating the brace-conductors.

1 represents a conducting cable with-which the lower end of a tubular rod 2 is connected braces the cable 1, and arms 5 curved trans verscly and entering the lower end of the tubular rod 2. The coupling 3 is thus made to clamp the cable 1 and securely connect the same with the lower end of the post 2. The post or rod 2 being made tubular, is adapted for the insertion into its upper end of a suitable point or series of points not shown.

Braces 6-6, which also constitute conductors, are connected with the tubular rod some distance above the connection of the latter with the cable, and the lower ends of these braces are connected with the cable some distance from the connection between the latter and the tubular rod or post. Each brace 6 is made tubular and preferably curved as shown in Fig. l. The inner portion of each brace 6 is cut away at its upper end as shown at 7 to permit said brace to Specification of Letters Patent. Application filed April 20, 1910.

Iatented July 12, 1914). Serial No. 556,638.

I conform to the contour of the upright rod or post Qand the two braces are secured to the rod or post 2 by means of a clamping collar 8 forced over their upper ends and. said clamping collar may be further secured by means of a set screw if desired. The lower portions of the braces 6 are cut awa 1 on their under sides as shown at 9 for the accommodation of the cable 1 and that portion of each tubular brace below the cut away portion 9 is slit and. the metal bent out wardly to form lugs or ears 10 which are made to embrace the cable 1 and provide a cheap and eliicient means for connecting the braces with the cable both mechanically and electrically. My improvements are simple in construction; can be cheaply manufactured; easily I applied, and effectual in operation. Having fully described my invention what claim as new and desire ters-Patcnt, is,

1. In a lightning rod-structure, the combination with a conductor and a tubular member disposed at an angle thereto, and a couping connecting the tubular member with said conductor, of tubular braces secured at their upper ends to the tubular member and provided at their lower ends with integral 1 cars embracing said conductor and securing l the braces thereto.

to secure by Letears adjacent to said lower cut tions to Oll'lbl'tlCC said conductor.

In testimony whereof, I have signed this specification in the presence of two subscrib ing witnesses.

THOMAS THOMPSON. Witnesses:

CHAS. C. CLARK, MARY FAWCETT. 

